57130018 has 8 divisors (see below), whose sum is σ = 93485520. Its totient is φ = 25968180.

The previous prime is 57130009. The next prime is 57130103. The reversal of 57130018 is 81003175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57129974 and 57130001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298388 + ... + 1298431.

It is an arithmetic number, because the mean of its divisors is an integer number (11685690).

Almost surely, 2^57130018 is an apocalyptic number.

57130018 is a deficient number, since it is larger than the sum of its proper divisors (36355502).

57130018 is a wasteful number, since it uses less digits than its factorization.

57130018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596832.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 57130018 is about 7558.4401830007. The cubic root of 57130018 is about 385.1425075412.

The spelling of 57130018 in words is "fifty-seven million, one hundred thirty thousand, eighteen".